Home / 5,271.50-7,274.32-2,913.62

Finding the Fourth Proportional to 5,271.50, 7,274.32 and 2,913.62

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Solution

The fourth proportional to 5,271.50, 7,274.32 and 2,913.62 is: 4,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.50 : 7,274.32 = 2,913.62 : x
  2. Step 2: Convert to fraction form
    5,271.50/7,274.32 = 2,913.62/x
  3. Step 3: Cross multiply
    5,271.50x = 7,274.32 × 2,913.62
  4. Step 4: Simplify right side
    5,271.50x = 21,194,604.24
  5. Step 5: Solve for x
    x = 21,194,604.24/5,271.50
  6. Step 6: Final answer
    x = 4,020.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.